IH 43-N-S FREEWAY
IH 43-N-S FREEWAY in X 0.3m N JCT Sth 190 To E, Milwaukee County, Wisconsin received a condition grade of C (56/100). Built in 1961, the bridge carries 126K vehicles daily on IH 43-N-S FREEWAY over Ramp Ih 43nbl-Sth 57.
IH 43-N-S FREEWAY carries a C on the BridgeSafety Condition Score with 56/100. Component ratings sit in the middle of the FHWA NBI distribution; rehabilitation programming is likely on the owning agency’s medium-term horizon.
The bridge was built in 1961 and is now 65 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. IH 43-N-S FREEWAY carries an average daily traffic count of 126,000 vehicles, with 6 lane(s) crossing Ramp Ih 43nbl-Sth 57. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
IH 43-N-S FREEWAY is a 65-year-old bridge located X 0.3m N JCT Sth 190 To E in Milwaukee County, Wisconsin. The bridge carries IH 43-N-S FREEWAY over Ramp Ih 43nbl-Sth 57 with 6 traffic lanes, handling approximately 126K vehicles per day. Built in 1961 and reconstructed in 1984, the structure spans 42.3 meters.
The bridge received a Condition Grade of C (56/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 6/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
IH 43-N-S FREEWAY has a Condition Score of 56/100 (Grade C). Its deck is rated 5/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
IH 43-N-S FREEWAY was built in 1961 and reconstructed in 1984, making it 65 years old. The average bridge age in the United States is 48 years.
IH 43-N-S FREEWAY carries approximately 126K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 42.3 meters long and located on IH 43-N-S FREEWAY in X 0.3m N JCT Sth 190 To E, Milwaukee County, Wisconsin.
No, IH 43-N-S FREEWAY is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
IH 43-N-S FREEWAY is located X 0.3m N JCT Sth 190 To E in Milwaukee County, Wisconsin. The bridge carries IH 43-N-S FREEWAY over Ramp Ih 43nbl-Sth 57. Its coordinates are 43.092061, -87.921717. It is maintained by State Highway Agency.
IH 43-N-S FREEWAY carries IH 43-N-S FREEWAY over Ramp Ih 43nbl-Sth 57. The bridge is 42.3 meters long and was built in 1961, with reconstruction in 1984.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.